diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c
index 09f66b386e44..3c300f7b6a62 100644
--- a/drivers/staging/rtl8192u/r8192U_core.c
+++ b/drivers/staging/rtl8192u/r8192U_core.c
@@ -4998,7 +4998,7 @@ fail:
 	kfree(priv->pFirmware);
 	priv->pFirmware = NULL;
 	rtl8192_usb_deleteendpoints(dev);
-	mdelay(10);
+	msleep(10);
 	free_ieee80211(dev);
 
 	RT_TRACE(COMP_ERR, "wlan driver load failed\n");